$ git clone -n https://src.fedoraproject.org/rpms/mingw-glib2.git /var/lib/mock/f45-build-18454-516/root/chroot_tmpdir/scmroot/mingw-glib2
Cloning into '/var/lib/mock/f45-build-18454-516/root/chroot_tmpdir/scmroot/mingw-glib2'...
$ git fetch origin 2b40587bd12bffb7ca40b31086ea94652bdd4aaa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-glib2
 * [new ref]         2b40587bd12bffb7ca40b31086ea94652bdd4aaa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b40587 Update to 2.89.3